Module: ActiveSupport::CoreExtensions::Time::Calculations::ClassMethods

Defined in:
lib/active_support/core_ext/time/calculations.rb

Instance Method Summary collapse

Instance Method Details

#days_in_month(month, year = nil) ⇒ Object

Return the number of days in the given month. If a year is given, February will return the correct number of days for leap years. Otherwise, this method will always report February as having 28 days.



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# File 'lib/active_support/core_ext/time/calculations.rb', line 22

def days_in_month(month, year=nil)
  if month == 2
    !year.nil? && (year % 4 == 0) && ((year % 100 != 0) || (year % 400 == 0)) ?  29 : 28
  elsif month <= 7
    month % 2 == 0 ? 30 : 31
  else
    month % 2 == 0 ? 31 : 30
  end
end

#local_time(*args) ⇒ Object

wraps class method time_with_datetime_fallback with utc_or_local == :local



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# File 'lib/active_support/core_ext/time/calculations.rb', line 48

def local_time(*args)
  time_with_datetime_fallback(:local, *args)
end

#time_with_datetime_fallback(utc_or_local, year, month = 1, day = 1, hour = 0, min = 0, sec = 0, usec = 0) ⇒ Object

Returns a new Time if requested year can be accommodated by Ruby’s Time class (i.e., if year is within either 1970..2038 or 1902..2038, depending on system architecture); otherwise returns a DateTime



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# File 'lib/active_support/core_ext/time/calculations.rb', line 35

def time_with_datetime_fallback(utc_or_local, year, month=1, day=1, hour=0, min=0, sec=0, usec=0)
  ::Time.send(utc_or_local, year, month, day, hour, min, sec, usec)
rescue
  offset = utc_or_local.to_sym == :local ? ::DateTime.local_offset : 0
  ::DateTime.civil(year, month, day, hour, min, sec, offset)
end

#utc_time(*args) ⇒ Object

wraps class method time_with_datetime_fallback with utc_or_local == :utc



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# File 'lib/active_support/core_ext/time/calculations.rb', line 43

def utc_time(*args)
  time_with_datetime_fallback(:utc, *args)
end